Teralux FN-4938 Ultra 120mm PWM ARGB Case Fan (3-Pack)
Case Fans · Teralux · SKU FN4938-ULTRA · Released 2020 · Updated 2026-10-21
Key facts
| Benchmark index | 1,038 (Case Fans scale) |
|---|---|
| Category rank | #14,582 |
| Street price | $39 |
| Power | 3 W |
| Performance per dollar | 26.62 |
| Released | 2020 |
Specifications
| Brand | Teralux |
|---|---|
| Model | Teralux FN-4938 Ultra |
| Size | 120 × 120 × 25 mm |
| Speed | 400–2,000 RPM (PWM) |
| Airflow | 68.0 CFM |
| Static pressure | 2.20 mmH₂O |
| Noise | 32 dBA |
| Bearing | Magnetic levitation |
| Connector | 4-pin PWM + 3-pin 5V ARGB |
| Rated lifetime | 100,000 hours |
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Cite this page: Hardware Spec Index, “Teralux FN-4938 Ultra 120mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/3366577 (accessed 2026-10-21).